Merge pull request #5 from lic10/master

add Pthreads for graingrowth.cpp
tweaks to run on a workstation
Merge branch 'master' of github.com:fifthblackbird/PPCproject
fix pthreaded phase-field (compiles), eliminate warnings
fix grid size
file IO problem may reside in char*  filename
fixed bug in output_bgq file naming
progress bars <3
fixed phase-field IO, but MC IO broke; troubleshooting
MC speed up timer added
working phase-field, no threads though
Merge pull request #6 from fakemusleman/master

MC speed up timer added
merge MC change
added -DSILENT for quiet performance runs
debug Pthread in graingrowth.cpp
commit after merge